DR. MARTHA LOUISE SANFORD MD
NPI 1184609703
Internal Medicine in Stillwater, MN
About Dr. Martha Louise Sanford Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARTHA LOUISE SANFORD MD (NPI 1184609703) is an individual internal medicine provider in Stillwater, Minnesota, licensed in Minnesota (29646) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with Lakeview Memorial Hospital, and is a graduate of University Of Minnesota Medical School (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Martha Louise Sanford Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Martha Sanford reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stillwater, MN 55082
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- Also billed through NPI 1427420181 (Wisconsin)
- 2,274 clinicians in this Medicare group
New Richmond, WI 54017
- Reassigned Medicare billing, Wisconsin enrollment
- 357 clinicians in this Medicare group
Minneapolis, MN 55403
- Reassigned Medicare billing, Minnesota enrollment
- 2,527 clinicians in this Medicare group
Amery, WI 54001
- Reassigned Medicare billing, Wisconsin enrollment
- 348 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeview Memorial Hospital
Acute Care Hospitals · Stillwater, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55082 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STILLWATER, MN 55082
STILLWATER, MN 55082
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Martha Sanford's NPI number?
The NPI number for Martha Sanford is 1184609703. It was assigned to this individual provider in the NPPES registry on December 7, 2005.
Where is Martha Sanford located?
Martha Sanford practices at 1500 Curve Crest Blvd W, Stillwater, MN 55082. The listed phone number is (651) 439-1234.
What is Martha Sanford's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Martha Sanford enrolled in Medicare?
Yes. Martha Sanford is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Martha Sanford's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martha Sanford reassigns Medicare benefits to 4 organizations: Group Health, Inc. (Stillwater, MN), Westfields Hospital, Inc. (New Richmond, WI), Park Nicollet Clinic (Minneapolis, MN) and Amery Regional Medical Center, Inc. (Amery, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Martha Sanford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Martha Sanford accept?
Health plans from Anthem Blue Cross and Blue Shield and HealthPartners list Martha Sanford as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Martha Sanford affiliated with any hospitals?
According to CMS data, Martha Sanford is affiliated with Lakeview Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Martha Sanford was last updated on June 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Martha Louise Sanford, MD · NPI 1184609703
Internal Medicine physician in Stillwater, Minnesota. Individual provider, active in the CMS NPPES registry since December 7, 2005.
## Identity
- **NPI:** 1184609703 (Entity type: Individual)
- **Enumerated:** December 7, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 29646 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CURVE CREST BLVD W, Stillwater, MN 55082-6040
- **Phone:** (651) 439-1234 · **Fax:** (651) 275-3325
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Group Health, Inc. (NPI 1245608454, Stillwater, MN); Westfields Hospital, Inc. (NPI 1881640183, New Richmond, WI); Park Nicollet Clinic (NPI 1912315144, Minneapolis, MN); Amery Regional Medical Center, Inc. (NPI 1093763518, Amery, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1983
## Record status
- **NPPES last updated:** June 3, 2021
- **Other identifiers:** Medicaid 888877900 (MN); Medicaid 30855000 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1184609703) · Data from the CMS NPPES public registry.